Tadorna is a genus of ducks whose species comprises most shelducks in the family Anatidae. 
The genus Tadorna name comes from the French name Tadorne for the common shelduck.

1/ Common shelduck (Vịt khoang, Tadorna tadorna)
2/ Ruddy shelduck (Vịt vàng, Tadorna ferruginea), known in India as the Brahminy duck
formerly placed in the genus Anas. Some authorities place it in the genus Casarca.
The species name ferruginea is Latin for "rusty" and refers to the colour of the plumage.